Finding the Fourth Proportional to 221.74, 332.70 and 119
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Solution
The fourth proportional to 221.74, 332.70 and 119 is: 178.55
Step by Step Solution
- Step 1: Write the proportion equation
221.74 : 332.70 = 119 : x - Step 2: Convert to fraction form
221.74/332.70 = 119/x - Step 3: Cross multiply
221.74x = 332.70 × 119 - Step 4: Simplify right side
221.74x = 39,591.30 - Step 5: Solve for x
x = 39,591.30/221.74 - Step 6: Final answer
x = 178.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.